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US 4,717,938 AGranted
Paper transferring apparatus for a copying machine
AssigneeMita Industrial Co., Ltd.
InventorToru Tanjo
Life of this patent
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AssigneeMita Industrial Co., Ltd.
InventorToru Tanjo
Estimating the term…
The present invention is of a paper transferring apparatus for a copying machine which consists of a pair of upper and lower resist rollers and a pair of upper and lower pre-transfer rollers located at a photoreceptor-drum side from these resist rollers, and the upper roller out of the paired upper and lower resists rollers has a substantially larger roller diameter at the center part in the axial direction of the roller in comparison with that at the both ends, and the lower roller thereof has a uniform roller diameter throughout the roller, and the upper roller out of the paired upper and lower pre-transfer rollers has a substantially smaller roller diameter at the center part in the axial direction of the roller in comparison with that at the both end parts, and the lower roller thereof has a uniform roller diameter throughout the roller.
A paper transferring apparatus for a copying machine comprising a pair of upper and lower resist rollers installed in a copy machine main unit to transfer a copy paper to a photoreceptor-drum and a pair of upper and lower pre-transfer rollers located at the photoreceptor-drum side from said resist rollers, wherein
Dependencies are inferred from the claim text.